<template>
	<div class="child">
		<h2>我是Child组件</h2>
		<input type="text" v-model="a.a1">
	</div>
</template>

<script>
	export default {
		name:'Child',
		props:['a']
	}
</script>

<style scoped>
	.child{
		background-color: orange;
		padding: 20px;
	}
</style>